CN201723693U - Hydraulic control device for automatic double-clutch speed changer - Google Patents
Hydraulic control device for automatic double-clutch speed changer Download PDFInfo
- Publication number
- CN201723693U CN201723693U CN2010201598503U CN201020159850U CN201723693U CN 201723693 U CN201723693 U CN 201723693U CN 2010201598503 U CN2010201598503 U CN 2010201598503U CN 201020159850 U CN201020159850 U CN 201020159850U CN 201723693 U CN201723693 U CN 201723693U
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to a hydraulic control device for an automatic double-clutch speed changer, which solves the problems that the automatic double-clutch speed changer can not keep the working oil pressure of clutches under the allowable working oil pressure, and full unloading causes low efficiency of the clutches when the clutches are separated. The hydraulic control device comprises a first pressure regulating valve and a second pressure regulating valve. An oil circuit with a check valve is connected between a clutch 1 and the first pressure regulating valve; an oil circuit with a check valve is connected between a clutch 2 and the second pressure regulating valve; the other ends of the two oil circuits are respectively connected to the output end of a secondary pressure regulating valve; and the oil drainage port of the first pressure regulating valve and the oil drainage port of the second pressure regulating valve are connected to an oil tank through a check valve after being connected. When the working oil pressure of the clutches exceeds the oil pressure regulated by the secondary pressure regulating valve, the check valve is started to ensure the normal operation of the clutches; when the clutches are separated, the oil pressure in the clutches has certain pressure all along through installing the check valve on the unloading oil circuit.
Description
Technical field
The utility model relates to a kind of transmission fluid pressure control device, relates in particular to a kind of clutch plate wearing and tearing and lacks, and reduces shifting shock, the double-clutch automatic gearbox hydraulic control device that travelling comfort is good.
Background technique
In automobile popular day by day today, automotive engineering constantly develops, and client is more and more stricter to the requirement of automobile.Double-clutch automatic gearbox is accepted by market and client, the maximal work oil pressure of its clutch of double-clutch automatic gearbox automobile that uses is by electric control system controls at present, this reliability to automatical control system has very high requirement, when automatical control system breaks down, the long-term work meeting influences the working life of clutch, increase the wearing and tearing of clutch plate, increase shifting shock, travelling comfort is poor; Simultaneously the fluid of piston cavity is directly let out toward fuel tank during clutch separation, and this has influenced the working efficiency and the gear shift travelling comfort of clutch.Chinese invention patent 20061015434
8.1 disclose a kind of hydraulic control device that is used for automated double clutch gearbox, have regulating valuve unit, and comprise first modulating valve and second modulating valve, also have switching valve unit, this switching valve unit comprises first changing valve and second changing valve.When automatical control system breaks down, the operating oil pressure of clutch can't remain on the following time of maximal work oil pressure of permission, this device can be regulated the operating oil pressure of clutch by first changing valve and second changing valve, but this device has adopted two changing valves, and its cost is higher.In addition, the drain tap of first modulating valve and second modulating valve directly enters fuel tank in this patent, and just there is above-mentioned shortcoming in this, and complete off-load meeting causes clutch efficiency not high during clutch separation.
Summary of the invention
The utility model has solved mainly that double-clutch automatic gearbox can not keep the working oil of clutch under the maximal work oil pressure that allows in the prior art, and complete off-load meeting causes the not high problem of clutch efficiency during clutch separation, a kind of maximal work oil pressure that guarantees clutch is provided, has improved the double-clutch automatic gearbox hydraulic control device of clutch efficiency.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of double-clutch automatic gearbox hydraulic control device, be used to have the double-clutch automatic gearbox of clutch one and clutch two, this hydraulic control device is provided with a clutch pressure regulon, this oil pressure regulon comprises respectively and clutch one, first pressure regulator valve that clutch two is connected, second pressure regulator valve, between the clutch one and first pressure regulator valve, be connected with the oil circuit one of a band one-way valve one, be connected with the oil circuit two of a band one-way valve two at clutch two and second pressure regulator valve, the other end of described oil circuit one and oil circuit two is connected respectively to secondary pressure regulator valve output terminal, secondary modulating valve input end is connected on the working connection, is connected to fuel tank by an one-way valve four after the drain tap of the drain tap of described first pressure regulator valve and second pressure regulator valve links to each other.Secondary pressure regulator valve provides pressure for the one-way valve that is connected thereto, the utility model is by setting up the oil circuit of a band one-way valve between clutch and pressure regulator valve, when the clutch operating oil pressure surpasses the oil pressure that secondary pressure regulator valve regulates out, one-way valve is opened, fluid can be discharged reducing the clutch operating oil pressure, guarantees the clutch proper functioning, has prolonged clutch working life, reduce the wearing and tearing and the shifting shock of clutch plate, improved travelling comfort.By on clutch pressure modulation valve off-load oil circuit, one-way valve being set, make the oil pressure in the clutch have certain pressure all the time, improve the working efficiency and the gear shift travelling comfort of clutch.
A kind of preferred version as such scheme, described working connection one end is connected on the oil pump oil outlet, oil pump is connected on the fuel tank, the working connection the other end is connected on the principal pressure modulating valve, output terminal of principal pressure modulating valve is connected to by oil circuit four on the filler opening of oil pump, and another output terminal of principal pressure modulating valve is connected to lubricate to be had on the cooling system.Fuel tank provides pressure for whole hydraulic system by oil pump, by the oil pressure on the principal pressure modulating valve adjusting working connection.
A kind of preferred version as such scheme, described secondary pressure regulator valve input end is connected on the working connection by oil circuit three, secondary pressure regulator valve output terminal is connected to principal pressure modulating valve spring institute at one end by oil circuit five, also is connected with principal pressure and regulates solenoid valve on oil circuit five.Secondary pressure regulator valve is given one-way valve one, one-way valve two voltage supply, the control oil pressure is provided also for simultaneously main oil pressure modulating valve spring place end, and main oil pressure is regulated solenoid valve and regulated offering main oil pressure modulating valve spring place end oil pressure.
A kind of preferred version as such scheme, the clutch pressure regulon also comprises first pressure adjusting solenoid valve, second pressure is regulated solenoid valve, accumulator one, accumulator two, described first pressure is regulated solenoid valve and accumulator one is connected on the oil circuit six, these oil circuit 61 ends are connected the first pressure regulator valve medi-spring institute opposite end, oil circuit six the other ends are connected with oil circuit three, described second pressure is regulated solenoid valve and accumulator two is connected on the oil circuit seven, this oil circuit end July 1st is connected the second pressure regulator valve medi-spring institute opposite end, and oil circuit seven the other ends are connected with oil circuit three.First pressure is regulated solenoid valve and a pair of first pressure regulator valve medi-spring that is transported to of accumulator is regulated end pressure, and second pressure adjusting solenoid valve and two pairs of accumulators are transported to the second pressure regulator valve medi-spring end pressure is regulated.
As a kind of preferred version of such scheme, on oil circuit three, also be connected with an one-way valve three, these one-way valve three the other ends link to each other with fuel tank.When system's main oil pressure surpassed the initial tension of spring of one-way valve three, one-way valve three was opened protective system and oil pump trouble free service.
The utility model has the advantages that:
1. clutch fluid pressure control device of the present utility model has guaranteed the maximal work oil pressure of clutch on the hydraulic system oil circuit, reduced the possibility that clutch configuration damages, and has prolonged life of clutch, has improved Security.
2. clutch fluid pressure control device of the present utility model increases an one-way valve at clutch pressure modulation valve drain tap place, form the clutch separation back pressure, improves the working efficiency and the gear shift travelling comfort of clutch.
Description of drawings
Fig. 1 is a kind of explanatory view of the utility model structure.
Embodiment:
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is further described.
Embodiment:
A kind of double-clutch automatic gearbox hydraulic control device of present embodiment, as shown in Figure 1, include fuel tank 1, connecting strainer and oil pump 3 on the fuel tank successively, oil pump 3 through strainer from the fuel tank oil suction, main oil pressure is provided for whole hydraulic system by oil pump, the oil outlet of oil pump is connecting working connection 2, working connection 2 is connected on two input ends of principal pressure modulating valve 6, the principal pressure modulating valve has two output terminals, an output terminal is connected on the lubricating and cooling system 35, another output terminal is connected to the filler opening of oil pump 3 by oil circuit 4 36, also be connected with an oil circuit eight 6a on working connection 2, oil circuit eight 6a are the left end among Fig. 1 through the spring opposite end that throttle orifice 37 is connected to the principal pressure modulating valve.Also be connected with an oil circuit 35 on the working connection 2, be connected with an one-way valve 4 on oil circuit 35, this one-way valve the other end links to each other with fuel tank 1.Oil circuit 35 is connected on the input end of secondary pressure regulator valve 28, it is among Fig. 1 on the right-hand member that secondary pressure regulator valve 28 output terminals are connected to principal pressure modulating valve 6 spring place ends by oil circuit 5 29, also be provided with oil circuit on the secondary pressure regulator valve output terminal and be connected to the right-hand member that its control end is a secondary pressure regulator valve among Fig. 1, principal pressure is regulated solenoid valve 32 and is connected on the oil circuit 5 29 by oil circuit nine 32a, regulates offering main oil pressure modulating valve spring place end oil pressure.
Double-clutch automatic gearbox has clutch 1 and clutch 2 11, hydraulic control device has a clutch pressure regulon, and this oil pressure regulon is made up of first pressure adjusting solenoid valve 12, second pressure adjusting solenoid valve 17, accumulator 1, accumulator 2 16 and first pressure regulator valve 38, second pressure regulator valve 19.Clutch 1 links to each other with first pressure regulator valve, 38 output terminals, and this first pressure regulator valve input end is connected on the oil circuit 35.Clutch 2 11 links to each other with second pressure regulator valve, 19 output terminals, and this second pressure regulator valve input end is connected on the oil circuit 35.On the oil circuit 10 between the clutch 1 and first pressure regulator valve 38, be connected with oil circuit one 23a of a band one-way valve 1, on the oil circuit 11 between the clutch 2 11 and second pressure regulator valve 19, be connected with oil circuit two 26a of a band one-way valve 2 26, the other end of oil circuit one 23a, oil circuit two 26a is connected respectively on the oil circuit 5 29, on promptly secondary pressure regulator valve 28 output terminals.After linking to each other, the drain tap of the drain tap of first pressure regulator valve 38 and second pressure regulator valve 26 is connected to fuel tank 1 by an one-way valve 4 21.
First pressure is regulated solenoid valve 12 and accumulator 1 is connected on the oil circuit 68, oil circuit 681 ends are connected first pressure regulator valve, 38 medi-springs institute opposite end, oil circuit 68 the other ends are connected with oil circuit 35, second pressure is regulated solenoid valve 17 and accumulator 16 is connected on the oil circuit 7 15, oil circuit 7 15 1 ends are connected second pressure regulator valve, 19 medi-springs institute opposite end, and oil circuit 7 15 the other ends are connected with oil circuit 35.
The utility model working procedure is as follows; engine-driving oil pump 3; set up the hydraulic system main oil pressure; fluid enters working connection 2 and oil circuit 35 by the oil pump outlet; in oil circuit 35; when the hydraulic system main oil pressure surpasses the initial tension of spring of one-way valve 4; one-way valve 34 is opened; protective system and oil pump trouble free service; oil circuit 35 leads to secondary pressure regulator valve 28; this valve is the two-bit triplet normally open valve; fluid leads to oil circuit 5 29 after secondary pressure regulator valve is regulated; acting on secondary pressure regulator valve control end simultaneously is right-hand member among Fig. 1; overcome spring force; oil pressure when oil circuit 5 29 places surpasses spring force; then this secondary pressure regulator valve is in right position; the oil pressure that adjusts is through oil circuit 5 29 and throttle orifice 30; regulating solenoid valve 32 through principal pressure then regulates; again by oil circuit 12; throttle orifice 33; acting on principal pressure modulating valve 6 spring place ends at last is right-hand member among Fig. 1, when principal pressure adjusting solenoid valve 32 is not worked, and the oil pressure maximum in the oil circuit 12; when principal pressure is regulated solenoid valve 32 work, can regulate the oil pressure in the oil circuit 12.System's main oil pressure acts on principal pressure modulating valve 6 left ends by oil circuit eight 6a, throttle orifice 37, this end active force is made a concerted effort greater than the active force of the initial tension of spring of principal pressure modulating valve 6 and right-hand member, then the principal pressure modulating valve is in meta or position, a left side, this moment, system oil-way communicated with oil circuit 13, lead to lubricating and cooling system, the fluid that while part oil pump comes out leads to oil circuit 4 36 and returns the oil pump inlet port.
Fluid leads to oil circuit 68 on the oil circuit 35, through throttle orifice 7, regulate solenoid valve 12 adjusting backs by throttle orifice 13 through the accumulator 9 and first pressure, act on the control end of modulating valve 38 at last, first pressure regulator valve 38 is not in position, a left side when first pressure adjusting solenoid valve 12 is not worked, fluid in the clutch 1 leads to oil circuit 20 by the drain tap of first pressure regulator valve 38, overcome the initial tension of spring of one-way valve 4 21, realize the quick draining of clutch, simultaneously because the back pressure that one-way valve 21 forms keeps certain oil pressure in clutch; First pressure regulator valve 38 is in right position when first pressure is regulated solenoid valve 12 work; main oil pressure leads to clutch 10 after the adjusting of first pressure adjusting pressuring valve 38; one-way valve 1 is opened protection clutch 1 when first pressure is regulated solenoid valve 12 and regulated the excessive oil pressure that causes clutch oil circuit 10 places of the oil pressure that comes out and surpass oil pressure in the oil circuit 5 29 that secondary pressure regulator valve regulates out.Fluid leads to oil circuit 7 15 on the oil circuit 55, by throttle orifice 14, after accumulator 16 and 17 adjustings of second pressure adjusting solenoid valve, lead to throttle orifice 18, act on the control end of second pressure regulator valve 19, second pressure regulator valve 19 is not in position, a left side when second pressure adjusting solenoid valve 17 is not worked, fluid in the clutch 11 leads to oil circuit 14 by the drain tap of second pressure regulator valve 19, overcome the initial tension of spring of one-way valve 4 21, realize the quick draining of clutch, simultaneously because the back pressure that one-way valve 4 21 forms keeps certain oil pressure in clutch; Second pressure regulator valve 19 is in right position when second pressure is regulated solenoid valve 17 work; main oil pressure leads to clutch 2 11 after the adjusting of second pressure adjusting pressuring valve 19; one-way valve 2 26 is opened protection clutch 2 11 structures when second pressure is regulated solenoid valve 17 and regulated the excessive oil pressure that causes clutch oil circuit 11 places of the oil pressure that comes out and surpass oil pressure in the oil circuit 5 29 that secondary pressure regulator valve regulates out.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as clutch one, clutch two, first pressure regulator valve, second pressure regulator valve morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (5)
1. double-clutch automatic gearbox hydraulic control device, comprise double-clutch automatic gearbox with clutch one (10) and clutch two (11), this hydraulic control device is provided with a clutch pressure regulon, this clutch pressure regulon comprises respectively and clutch one, first pressure regulator valve (38) that clutch two is connected, second pressure regulator valve (19), it is characterized in that: the oil circuit one (23a) that between the described clutch one (10) and first pressure regulator valve (38), is connected with a band one-way valve one (23), between the clutch two (11) and second pressure regulator valve (19), be connected with the oil circuit two (26a) of a band one-way valve two (26), the other end of described oil circuit one and oil circuit two is connected respectively to secondary pressure regulator valve (28) output terminal, secondary pressure regulator valve input end is connected on the working connection (2), is connected to fuel tank (1) by an one-way valve four (21) after the drain tap of the drain tap of described first pressure regulator valve (38) and second pressure regulator valve (26) links to each other.
2. a kind of double-clutch automatic gearbox hydraulic control device according to claim 1, it is characterized in that described working connection (2) one ends are connected on oil pump (3) oil outlet, oil pump links to each other with fuel tank (1), working connection (2) the other end is connected on the principal pressure modulating valve (6), output terminal of principal pressure modulating valve is connected on the filler opening of oil pump (3) by oil circuit four (36), and another output terminal of principal pressure modulating valve is connected on the lubricating and cooling system (35).
3. a kind of double-clutch automatic gearbox hydraulic control device according to claim 2, it is characterized in that described secondary pressure regulator valve (28) input end is connected on the working connection (2) by oil circuit three (5), secondary pressure regulator valve (28) output terminal is connected to principal pressure modulating valve (6) spring institute at one end by oil circuit five (29), also is connected with principal pressure and regulates solenoid valve (32) on oil circuit five (29).
4. according to claim 1 or 2 or 3 described a kind of double-clutch automatic gearbox hydraulic control devices, it is characterized in that the clutch pressure regulon also comprises first pressure adjusting solenoid valve (12), second pressure is regulated solenoid valve (17), accumulator one (9), accumulator two (16), described first pressure is regulated solenoid valve (12) and accumulator one (9) is connected on the oil circuit six (8), oil circuit six (8) one ends are connected first pressure regulator valve (38) medi-spring institute opposite end, oil circuit six (8) the other ends are connected with oil circuit three (5), described second pressure is regulated solenoid valve (17) and accumulator two (16) is connected on the oil circuit seven (15), oil circuit seven (15) one ends are connected second pressure regulator valve (19) medi-spring institute opposite end, and oil circuit seven (15) the other ends are connected with oil circuit three (5).
5. a kind of double-clutch automatic gearbox hydraulic control device according to claim 3 is characterized in that also being connected with an one-way valve three (4) on oil circuit three (5), these one-way valve three the other ends link to each other with fuel tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201598503U CN201723693U (en) | 2010-04-15 | 2010-04-15 | Hydraulic control device for automatic double-clutch speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201598503U CN201723693U (en) | 2010-04-15 | 2010-04-15 | Hydraulic control device for automatic double-clutch speed changer |
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| Publication Number | Publication Date |
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| CN201723693U true CN201723693U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201598503U Expired - Fee Related CN201723693U (en) | 2010-04-15 | 2010-04-15 | Hydraulic control device for automatic double-clutch speed changer |
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| CN (1) | CN201723693U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927160A (en) * | 2012-10-28 | 2013-02-13 | 贵州凯星液力传动机械有限公司 | Clutch oil pressure control system of hydrodynamic transmission |
| CN103403402A (en) * | 2011-03-30 | 2013-11-20 | 爱信艾达株式会社 | Hydraulic control device |
| CN103562598A (en) * | 2011-05-06 | 2014-02-05 | 奥迪股份公司 | Hydraulic circuit, method for operating same |
| CN103807419A (en) * | 2012-11-09 | 2014-05-21 | F·波尔希名誉工学博士公司 | Arrangement for supplying lubricating oil to gear items |
| CN107588190A (en) * | 2016-07-08 | 2018-01-16 | 广州汽车集团股份有限公司 | The hydraulic gear-shifting control system of double-clutch automatic gearbox |
| CN108626270A (en) * | 2017-03-22 | 2018-10-09 | 徐工集团工程机械股份有限公司 | Hydraulic control system, control method and construction machinery gear box |
| CN109555798A (en) * | 2012-06-13 | 2019-04-02 | 艾里逊变速箱公司 | Method and apparatus for clutch pressure control |
| CN109695640A (en) * | 2017-10-20 | 2019-04-30 | 上海汽车集团股份有限公司 | Clutch engagement control system and clutch connection control method |
| CN112283186A (en) * | 2020-12-07 | 2021-01-29 | 盛瑞传动股份有限公司 | Hydraulic control system of automatic transmission and control method thereof |
| CN113958703A (en) * | 2020-07-20 | 2022-01-21 | 深圳臻宇新能源动力科技有限公司 | Hydraulic system and vehicle |
-
2010
- 2010-04-15 CN CN2010201598503U patent/CN201723693U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103403402A (en) * | 2011-03-30 | 2013-11-20 | 爱信艾达株式会社 | Hydraulic control device |
| CN103562598A (en) * | 2011-05-06 | 2014-02-05 | 奥迪股份公司 | Hydraulic circuit, method for operating same |
| CN103562598B (en) * | 2011-05-06 | 2016-11-09 | 奥迪股份公司 | Hydraulic circuit and operation method |
| CN109555798A (en) * | 2012-06-13 | 2019-04-02 | 艾里逊变速箱公司 | Method and apparatus for clutch pressure control |
| CN102927160A (en) * | 2012-10-28 | 2013-02-13 | 贵州凯星液力传动机械有限公司 | Clutch oil pressure control system of hydrodynamic transmission |
| CN103807419A (en) * | 2012-11-09 | 2014-05-21 | F·波尔希名誉工学博士公司 | Arrangement for supplying lubricating oil to gear items |
| CN103807419B (en) * | 2012-11-09 | 2017-05-31 | F·波尔希名誉工学博士公司 | Device for supplying actuated element lubricating oil |
| CN107588190A (en) * | 2016-07-08 | 2018-01-16 | 广州汽车集团股份有限公司 | The hydraulic gear-shifting control system of double-clutch automatic gearbox |
| CN107588190B (en) * | 2016-07-08 | 2023-05-16 | 广州汽车集团股份有限公司 | Hydraulic gear shifting control system of double-clutch automatic transmission |
| CN108626270A (en) * | 2017-03-22 | 2018-10-09 | 徐工集团工程机械股份有限公司 | Hydraulic control system, control method and construction machinery gear box |
| CN109695640A (en) * | 2017-10-20 | 2019-04-30 | 上海汽车集团股份有限公司 | Clutch engagement control system and clutch connection control method |
| CN109695640B (en) * | 2017-10-20 | 2021-01-22 | 上海汽车集团股份有限公司 | Clutch engagement control system and clutch engagement control method |
| CN113958703A (en) * | 2020-07-20 | 2022-01-21 | 深圳臻宇新能源动力科技有限公司 | Hydraulic system and vehicle |
| CN112283186A (en) * | 2020-12-07 | 2021-01-29 | 盛瑞传动股份有限公司 | Hydraulic control system of automatic transmission and control method thereof |
| CN112283186B (en) * | 2020-12-07 | 2021-07-30 | 盛瑞传动股份有限公司 | Hydraulic control system of automatic transmission and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20140415 |